Service A / Service B
About 25,000 km or 1 year (ASSYST)
25 000 km
12 months
Oil and filter at each service; Service B adds filters and wider checks. The ASSYST indicator prevails.
Source [1]W206 · 2021–…
The Mercedes Classe C C 300 d of the W206 generation uses the OM654M 2.0 d diesel engine with 265 hp.
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
265 hp (195 kW), rear-wheel drive, 9-speed automatic. Built from 2021 to date. 48 V mild hybrid: a small starter-generator assists the engine when pulling away and accelerating; the 48 V battery needs no routine maintenance.
AutoKarnet advice
It is the most powerful diesel version of this generation. The OM654M 2.0 d engine is also fitted to: Mercedes Classe E (W214), Mercedes GLC (X254).
AutoKarnet advice
About 25,000 km or 1 year (ASSYST)
25 000 km
12 months
Oil and filter at each service; Service B adds filters and wider checks. The ASSYST indicator prevails.
Source [1]Every 24 months
24 months
Time-based replacement, whatever the mileage.
Source [1]The OM654M 2.0 d diesel engine (1 993 cc), 265 hp (195 kW).
AutoKarnet advice
A MB 229.5 / 229.51 / 229.52-approved oil suited to the OM654M 2.0 d engine.
AutoKarnet advice
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026